Check out example codes for "c program to find the sum of given number". It will help you in understanding the concepts better.

Code Example 1

Enter the number
300
Given number = 300
Sum of the digits 300 = 3
 
 
Enter the number
16789
Given number = 16789
Sum of the digits 16789 = 31

Code Example 2

# include<stdio.h>
int main
{
int number;
int sum=0;
int remainder;
printf("enter a number\n");
scanf("%d",&number);
for(;number!=0;)
{
remainder=number%10;
sum=sum+remainder;
number=number/10;
}
printf("sum of digits=%d",sum);
}

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